CN208459745U - A kind of stepping iris apparatus with light damping plate conversion equipment - Google Patents
A kind of stepping iris apparatus with light damping plate conversion equipment Download PDFInfo
- Publication number
- CN208459745U CN208459745U CN201820985379.XU CN201820985379U CN208459745U CN 208459745 U CN208459745 U CN 208459745U CN 201820985379 U CN201820985379 U CN 201820985379U CN 208459745 U CN208459745 U CN 208459745U
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- turntable
- damping plate
- pedestal
- light damping
- stepping
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Abstract
The utility model discloses a kind of stepping iris apparatus with light damping plate conversion equipment, including pedestal and the cover board being located on pedestal, pedestal is equipped with base plate through holes, and cover board is equipped with cover plate through hole, it is equipped with aperture assemblies between pedestal and cover board, the first driving assembly is equipped between pedestal and cover board；Cover board is equipped with fixing seat, fixing seat is equipped with fixed block hole, fixing seat connect with cover board and is formed with cavity, the second turntable is equipped in cavity, second turntable is equipped at least three windows, window is equipped with light damping plate, when the second turntable rotates, one of light damping plate with fixation block hole, base plate through holes are corresponding passes through for light；The second driving assembly is additionally provided in fixing seat.Band movable vane piece acts when the first turntable of the utility model rotates, to control the size of aperture, product quality is improved, the different light damping plate of at least three translucency is provided on the second turntable, the handoff functionality of light damping plate can be realized by driving the second turntable rotation of the second driving device, it is easy to operate.
Description
[technical field]
The utility model relates to lens assembly, especially a kind of stepping iris apparatus with light damping plate conversion equipment.
[background technique]
In the aperture system field of monitoring camera, stepping aperture replaces electromagnetic type aperture gradually.Traditional solenoid valve
The aperture of formula is made of driving coil and damping coil, then the control of aperture opening and closing degree is completed by hall element.It is powering off
Under state, aperture is in full off state, and needing to be powered when being maintained at an aperture size keeps.However stepping aperture is using step
Into motor control, at the time of the size of aperture remains at power-off.The area of aperture can be by the step number of stepper motor Lai complete
At control, function is better than the aperture of traditional structure.But in aperture systems all at present, ambient intensity is not can avoid
The entire shooting effect of influence；
Light damping plate, effect mainly reduce light quantity and enter in pick-up lens.In many cases, due to ambient intensity
Relationship, we are unable to get sufficiently long aperture time, cannot achieve the shooting effect having.But it can be subtracted by addition
The mode of mating plate weakens the light into camera lens, realizes the shooting effect of anticipation.
The filter action of light damping plate be it is non-selective, the reduction ability to the light of various different wave lengths be it is identical,
Any influence will not be generated to the color of the original, also can true reappearance scenery contrast.However the scene of shooting, opportunity are not
Together, required light damping plate dim light degree is also different.The light damping plate of polymorphic type as far as possible is needed to correspond to difference on camera
Scene, opportunity are shot.
The utility model is based on above deficiency and generates.
[utility model content]
The technical problem to be solved by the present invention is to provide a kind of stepping iris apparatus with light damping plate conversion equipment, should
Device can reach the function of aperture opening and closing by rotating turntable, while realize the handoff functionality of light damping plate.
In order to solve the above technical problems, the utility model uses a kind of following technical proposals: band light damping plate conversion equipment
Stepping iris apparatus, which is characterized in that including pedestal and the cover board that is set on the base, it is logical that pedestal is provided on the pedestal
Hole is provided with the cover plate through hole communicated with the base plate through holes on the cover board, is provided with aperture between the pedestal and cover board
Component, being provided between the pedestal and cover board can drive aperture assemblies to operate and then adjust the first driving group of aperture size
Part；Fixing seat is provided on the cover board, the fixing seat is equipped with the fixation block hole communicated with cover plate through hole, the fixation
Seat is connect with cover board is formed with cavity, and the second turntable is provided in cavity, at least three windows, window are provided on the second turntable
On be provided with the different light damping plate of translucency, when the second turntable rotates, one of light damping plate and fixed block hole, base plate through holes
It corresponds to and is passed through for light；The second driving assembly for driving the second turntable to rotate is additionally provided in the fixing seat.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that on the pedestal
Equipped with the boss for surrounding base plate through holes, first driving assembly includes the first turntable being set on boss, and described the
One turntable is equipped with the first turntable through-hole communicated with base plate through holes, and first driving assembly further includes being set on the base
For driving the part that drives of the first turntable rotation, the periphery that boss is located on the pedestal is equipped with the distribution of multiple circumference array
Pillar, first turntable are equipped with the reversed column of multiple circumference array distribution, and the aperture assemblies include to be located at pillar
Blade that is upper and can rotating around it, the blade is equipped with to be slided to drive in it for reversed column in the rotation of the first turntable
The strip-shaped hole that blade is rotated around pillar, the aperture are surrounded by the medial surface of multiple blades, and aperture
Size can rotate with blade and be changed.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that in the fixing seat
Equipped with locating shaft, second turntable is rotatably connected on locating shaft, and locating shaft is located at the center of the second turntable.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that described second turn
There are four windows for setting on disk, and four windows are in array distribution on the second turntable, and there are four translucency for four windows settings
Different light damping plates.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that described drives part
Include the first stepper motor being fixedly connected with pedestal, the output end of first stepper motor be equipped with first gear and with
The reduction gearing of first gear engagement, first turntable are equipped with the first rack gear being meshed with reduction gearing；
Second driving assembly includes the second stepper motor being fixedly connected with fixing seat, the second stepper motor
It is provided with second gear on output shaft, the second rack gear engaged with the second gear is provided on second turntable.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that described first turn
Disk is equipped with the arc-shaped limit hole for penetrating for a pillar and be used to limit the first turntable rotational angle.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that set on the cover board
It is equipped with the limit hole for penetrating for reversed column and be used to limit the first turntable rotational angle.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that in the fixing seat
It is provided with positioning column, the location hole being caught in for positioning column is provided on the cover board.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that on the pedestal
It is additionally provided with the first sensing device for judging whether aperture completely close for detecting the first disk position；In the fixing seat also
It is provided with the second sensing device of detection light damping plate.
A kind of stepping iris apparatus with light damping plate conversion equipment as described above, which is characterized in that the number of the blade
Amount is 8.
Compared with prior art, a kind of stepping iris apparatus with light damping plate conversion equipment of the utility model, reaches
Following effect:
Band movable vane piece acts in the utility model the first turntable rotation process, so that the size of aperture is controlled, when first turn
Disk can be detected when turning to aperture full close position by the first sensing device, to be accurately detected the full close position of aperture
(return-to-zero) drives first turn on the basis of the position and then by first driving device when aperture full close position is very accurate
The adjusting that disk rotates and adjusts aperture size will be very accurate, therefore accurate detection of first sensing device to aperture full close position
The accurate controlling extent for improving aperture size, improves product quality, is suitble to promote；
The different light damping plate of at least three translucency is provided on second turntable, when needing to shoot to different scenes
When, only it need to drive the rotation of the second turntable that the handoff functionality of light damping plate can be realized by the second driving device, structure is simple, operation
It is convenient.
[Detailed description of the invention]
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the configuration diagram of the utility model；
Fig. 2 is the exploded view of the utility model；
Fig. 3 is the installation diagram of the utility model fixing seat and the second turntable；
Fig. 4 is the installation diagram of the utility model pedestal and the first turntable, blade；
Label declaration: 1, pedestal；11, base plate through holes；12, boss；13, pillar；14, the first sensing device；2, first turn
Disk；21, the first turntable through-hole；22, reversed column；23, the first rack gear；24, arc-shaped limit hole；3, part is driven；31, the first stepping horse
It reaches；32, first gear；33, reduction gearing；4, aperture assemblies；41, blade；411, strip-shaped hole；5, aperture；6, cover board；61, it covers
Plate through-hole；62, location hole；63, limit hole；7, fixing seat；71, fixed block hole；72, cavity；73, locating shaft；74, it positions
Column；8, the second turntable；81, window；811, light damping plate；82, the second rack gear；9, the second driving assembly；91, the second stepper motor；
92, second gear；10, the second sensing device.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As shown in Figures 1 to 4, a kind of stepping iris apparatus with light damping plate conversion equipment, including pedestal 1 and setting are the bottom of at
Cover board 6 on seat 1 is provided with base plate through holes 11 on the pedestal 1, is provided on the cover board 6 and 11 phase of base plate through holes
Logical cover plate through hole 61 is provided with aperture assemblies 4, is provided between the pedestal 1 and cover board 6 between the pedestal 1 and cover board 6
Aperture assemblies 4 can be driven to operate and then adjust the first driving assembly of 5 size of aperture；It is provided with fixing seat 7 on the cover board 6,
The fixing seat 7 is equipped with the fixation block hole 71 communicated with cover plate through hole 61, and the fixing seat 7 is connect with cover board 6 to be formed with
Cavity 72 is provided with the second turntable 8 in cavity 72, at least three windows 81 is provided on the second turntable 8, are provided on window 81
The different light damping plate 811 of translucency, when the second turntable 8 rotates, one of light damping plate 811 and fixed block hole 71, pedestal are logical
Hole 11 is corresponding and passes through for light；The second driving assembly for driving the second turntable 8 to rotate is additionally provided in the fixing seat 7
9.One conventional stepping aperture device, is driven by the first stepper motor, drives the rotation of the first turntable, and the first driven by rotary disc blade turns
It is dynamic, reach the function of aperture opening and closing；One light damping plate switching mechanism is driven by the second stepper motor, is driven the second turntable, is made not
The light damping plate of same type switches at window, realizes the conversion function of light damping plate.In the utility model the first turntable rotation process
Band movable vane piece acts, so that the size of aperture is controlled, it can be by the first induction when the first turntable turns to aperture full close position
Device detects, so that it is accurately detected the full close position (return-to-zero) of aperture, when aperture full close position is very accurate, with
The adjusting on the basis of the position and then driving the first turntable to rotate by first driving device and adjusting aperture size will be very accurate,
Therefore the first sensing device improves the accurate controlling extent of aperture size to the accurate detection of aperture full close position, improves production
Quality；The different light damping plate of at least three optical density is provided on second turntable, when needing to shoot different scenes,
Only it need to drive the rotation of the second turntable that the handoff functionality of light damping plate can be realized by the second driving device, structure is simple, operation side
Just.The camera lens for being suitble to overall structure bigger than normal, total are fixed on camera lens, are drawn the control of FPC route from driving motor end and are made
It is dynamic, the state of FPC route control light damping plate is drawn from inductor.
As shown in Figures 1 to 4, in the present embodiment, the pedestal 1 is equipped with the boss 12 around base plate through holes 11,
First driving assembly includes the first turntable 2 being set on boss 12, and first turntable 2 is equipped with logical with pedestal
The first turntable through-hole 21 that hole 11 communicates, first driving assembly further include having to be arranged on pedestal 1 for driving first turn
What disk 2 rotated drives part 3, and the periphery that boss 12 is located on the pedestal 1 is equipped with the pillar 13 of multiple circumference array distribution, institute
The first turntable 2 stated is equipped with the reversed column 22 of multiple circumference array distribution, and the aperture assemblies 4 include to be located on pillar 13
And the blade 41 that can be rotated around it, the blade 41 be equipped with the first turntable 2 rotation when for reversed column 22 slided in it from
And the strip-shaped hole 411 rotated with movable vane piece 41 around pillar 13, the aperture 5 are surrounded by the medial surface of multiple blades 41
It forms, and the size of aperture 5 can rotate with blade 41 and be changed.
As shown in Figures 1 to 4, in the present embodiment, the fixing seat 7 is equipped with locating shaft 73, second turntable 8
It is rotatably connected on locating shaft 73, and locating shaft 73 is located at the center of turntable 8.
As shown in Figures 1 to 4, in the present embodiment, window 81 there are four being arranged on second turntable 8, and four
For window 81 in array distribution on the second turntable 8, the light damping plate 811 different there are four translucency is arranged in four windows 81.Four
The dim light degree of light damping plate is different, it is only necessary to rotate the second turntable i.e. and can switch to corresponding light damping plate.
As shown in Figures 1 to 4, in the present embodiment, the part 3 that drives includes first be fixedly connected with pedestal 1
Stepper motor 31, the deceleration that the output end of first stepper motor 31 is equipped with first gear 32 and engages with first gear 32
Gear 33, first turntable 2 are equipped with the first rack gear 23 being meshed with reduction gearing 33；Be conducive to increase aperture 5
Precision is controlled, product quality is improved；
Second driving assembly 9 includes the second stepper motor 91 being fixedly connected with fixing seat 7, the second stepping horse
It is provided with second gear 92 on up to 91 output shaft, is provided on second turntable 8 and is engaged with the second gear 92
Second rack gear 82.One end of second stepper motor 91 passes through pedestal, and installs gear at the end, and the second stepper motor 91 drives the
The rotation of two gears, second gear are converted to the rotation of the second turntable, are positioned by the second sensing device, make 4 kinds of different types
Light damping plate can accurately switch at each light damping plate, realize four switching light damping plate conversion functions.
As shown in Figures 1 to 4, in the present embodiment, first turntable 2 be equipped with penetrated for a pillar 13 and
In the arc-shaped limit hole 24 of limitation 2 rotational angle of the first turntable；For limiting the rotation of the first turntable.
As shown in Figures 1 to 4, in the present embodiment, it is provided on the cover board 6 and is penetrated for reversed column 22 and be used to limit
The limit hole 63 of one turntable, 2 rotational angle；Cooperate limitation the first turntable 2 rotation with arc-shaped limit hole 24.
As shown in Figures 1 to 4, in the present embodiment, it is provided with positioning column 74 in the fixing seat 7, is set on the cover board 6
It is equipped with the location hole 62 being caught in for positioning column 74.Fixing seat and cover board are clamped by positioning column and positioning hole.
As shown in Figures 1 to 4, in the present embodiment, it is additionally provided on the pedestal 1 for detecting 2 position of the first turntable
And judge the first sensing device 14 whether aperture 5 completely closes；It can be by when the first turntable turns to aperture full close position
First sensing device detects, to be accurately detected the full close position (return-to-zero) of aperture, when aperture full close position very
When accurate, the adjusting on the basis of the position and then driving the first turntable to rotate by first driving device and adjusting aperture size will
It is very accurate, therefore the first sensing device improves the accurate control journey of aperture size to the accurate detection of aperture full close position
Degree, improves product quality；The second sensing device 10 of detection light damping plate is additionally provided in the fixing seat 7；On 4 light damping plates
It is correspondingly arranged on corresponding inductor, positioning is identified by the second sensing device 10.
As shown in Figures 1 to 4, in the present embodiment, the quantity of the blade 41 is 8.Aperture 5 surrounds roughly circular shape
Shape, convenient for the big minor adjustment of aperture 5.
The pedestal and the first turntable, the second turntable and fixing seat are injection molding；Injection molding process processing side
Just, low in cost, high production efficiency.
Claims (10)
1. a kind of stepping iris apparatus with light damping plate conversion equipment, which is characterized in that including pedestal (1) and be arranged in pedestal
(1) cover board (6) on is provided with base plate through holes (11) on the pedestal (1), is provided with and the pedestal on the cover board (6)
The cover plate through hole (61) that through-hole (11) communicates is provided with aperture assemblies (4), the pedestal between the pedestal (1) and cover board (6)
(1) being provided between cover board (6) can drive aperture assemblies (4) to operate and then adjust first driving assembly of aperture (5) size；
It is provided with fixing seat (7) on the cover board (6), it is logical that the fixing seat (7) is equipped with the fixing seat communicated with cover plate through hole (61)
Hole (71), the fixing seat (7) connect with cover board (6) to be formed with cavity (72), is provided with the second turntable (8) in cavity (72),
It is provided on second turntable (8) at least three windows (81), the different light damping plate of translucency (811) is provided on window (81),
When second turntable (8) rotates, one of light damping plate (811) is corresponding with fixation block hole (71), base plate through holes (11) and for light
Line passes through；The second driving assembly (9) for driving the second turntable (8) to rotate is additionally provided on the fixing seat (7).
2. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 1, which is characterized in that described
Pedestal (1) is equipped with the boss (12) around base plate through holes (11), and first driving assembly includes to be set in boss (12)
On the first turntable (2), first turntable (2) is equipped with the first turntable through-hole (21) for communicating with base plate through holes (11),
First driving assembly further include have be arranged on pedestal (1) for drive the first turntable (2) rotation drive part (3), institute
The pillar (13) of multiple circumference array distribution, first turntable are equipped on the pedestal (1) stated positioned at the periphery of boss (12)
(2) it is equipped with the reversed column (22) of multiple circumference array distribution, and the aperture assemblies (4) include that simultaneously energy is located on pillar (13)
The blade (41) rotated around it, the blade (41) are equipped with sliding in it for reversed column (22) when the first turntable (2) are rotated
Strip-shaped hole (411) of the row to rotate with movable vane piece (41) around pillar (13), the aperture (5) is by multiple blades
(41) medial surface surrounds, and the size of aperture (5) can rotate with blade (41) and be changed.
3. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 1, which is characterized in that described solid
Reservation (7) is equipped with locating shaft (73), and second turntable (8) is rotatably connected on locating shaft (73), and locating shaft (73)
Positioned at the center of the second turntable (8).
4. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 1, which is characterized in that described
There are four window (81) for setting on second turntable (8), and four windows (81) are in array distribution on the second turntable (8), and four
Window (81) the setting light damping plate (811) different there are four translucency.
5. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 2, which is characterized in that described
Driving part (3) includes the first stepper motor (31) being fixedly connected with pedestal (1), first stepper motor (31) it is defeated
Outlet is equipped with first gear (32) and the reduction gearing (33) that engages with first gear (32), sets on first turntable (2)
There is the first rack gear (23) being meshed with reduction gearing (33)；
Second driving assembly (9) includes the second stepper motor (91) being fixedly connected with fixing seat (7), the second stepping
It is provided on the output shaft of motor (91) second gear (92), is provided with and the second gear on second turntable (8)
(92) the second rack gear (82) engaged.
6. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 2, which is characterized in that described
First turntable (2) is equipped with the arc-shaped limit hole for penetrating for a pillar (13) and be used to limit the first turntable (2) rotational angle
(24)。
7. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 6, which is characterized in that the lid
The limit hole (63) for penetrating for reversed column (22) and be used to limit the first turntable (2) rotational angle is provided on plate (6).
8. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 1, which is characterized in that described solid
It is provided in reservation (7) positioning column (74), the location hole (62) being caught in for positioning column (74) is provided on the cover board (6).
9. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 2, which is characterized in that described
It is additionally provided on pedestal (1) for detecting the first turntable (2) position and judging the first sensing device whether aperture (5) completely closes
(14)；The second sensing device (10) of detection light damping plate is additionally provided on the fixing seat (7).
10. a kind of stepping iris apparatus with light damping plate conversion equipment according to claim 2, which is characterized in that described
The quantity of blade (41) is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985379.XU CN208459745U (en) | 2018-06-25 | 2018-06-25 | A kind of stepping iris apparatus with light damping plate conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985379.XU CN208459745U (en) | 2018-06-25 | 2018-06-25 | A kind of stepping iris apparatus with light damping plate conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459745U true CN208459745U (en) | 2019-02-01 |
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ID=65170094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820985379.XU Active CN208459745U (en) | 2018-06-25 | 2018-06-25 | A kind of stepping iris apparatus with light damping plate conversion equipment |
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| Country | Link |
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| CN (1) | CN208459745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628060A (en) * | 2018-06-25 | 2018-10-09 | 中山联合光电科技股份有限公司 | A kind of stepping iris diaphragm structure with light damping plate conversion equipment |
-
2018
- 2018-06-25 CN CN201820985379.XU patent/CN208459745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628060A (en) * | 2018-06-25 | 2018-10-09 | 中山联合光电科技股份有限公司 | A kind of stepping iris diaphragm structure with light damping plate conversion equipment |
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